Rhythmic musical-electrical trigeminal nerve stimulation improves impaired consciousness
NeuroImage: Clinical, ISSN: 2213-1582, Vol: 36, Page: 103170
2022
- 5Citations
- 16Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations5
- Citation Indexes5
- CrossRef2
- Captures16
- Readers16
- 16
Article Description
Accumulating evidence shows that consciousness is linked to neural oscillations in the thalamocortical system, suggesting that deficits in these oscillations may underlie disorders of consciousness (DOC). However, patient-friendly non-invasive treatments targeting this functional anomaly are still missing and the therapeutic value of oscillation restoration has remained unclear. We propose a novel approach that aims to restore DOC patients’ thalamocortical oscillations by combining rhythmic trigeminal-nerve stimulation with comodulated musical stimulation (“musical-electrical TNS”). In a double-blind, placebo-controlled, parallel-group study, we recruited 63 patients with DOC and randomly assigned them to groups receiving gamma, beta, or sham musical-electrical TNS. The stimulation was applied for 40 min on five consecutive days. We measured patients’ consciousness before and after the stimulation using behavioral indicators and neural responses to rhythmic auditory speech. We further assessed their outcomes one year later. We found that musical-electrical TNS reliably lead to improvements in consciousness and oscillatory brain activity at the stimulation frequency: 43.5 % of patients in the gamma group and 25 % of patients in the beta group showed an improvement of their diagnosis after being treated with the stimulation. This group of benefitting patients still showed more positive outcomes one year later. Moreover, patients with stronger behavioral benefits showed stronger improvements in oscillatory brain activity. These findings suggest that brain oscillations contribute to consciousness and that musical-electrical TNS may serve as a promising approach to improve consciousness and predict long-term outcomes in patients with DOC.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S2213158222002352; http://dx.doi.org/10.1016/j.nicl.2022.103170; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85137118190&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/36063757; https://linkinghub.elsevier.com/retrieve/pii/S2213158222002352; https://dx.doi.org/10.1016/j.nicl.2022.103170
Elsevier BV
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